mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-21 04:42:53 +08:00
8c37241be3
* elflink.c (elf_bfd_final_link): Don't output STT_SECTION symbol
into .dynsym if elf_section_data (sec)->dynindx <= 0.
Adjust counting of last_local.
(_bfd_elf_link_renumber_dynsyms): Don't assign dynindx to sections
other than SHT_PROGBITS/SHT_NOBITS and neither for .got/.got.plt/.plt
created by the linker nor !SHF_ALLOC.
* elf32-i386.c (elf_i386_finish_dynamic_sections): Point
DT_PLTGOT to the start of the .got.plt section instead of the
.got output section. Set sh_entsize for .got section in addition
to .got.plt.
(elf_i386_relocate_section): Don't assume _GLOBAL_OFFSET_TABLE_
is at sgot->output_section->vma.
* elf64-x86-64.c (elf64_x86_64_finish_dynamic_sections): Point
DT_PLTGOT to the start of the .got.plt section instead of the
.got output section.
(elf64_x86_64_relocate_section): Don't assume _GLOBAL_OFFSET_TABLE_
is at sgot->output_section->vma. Set sh_entsize for .got section
in addition to .got.plt.
* elf.c (_bfd_elf_print_private_bfd_data): Handle PT_GNU_RELRO.
(bfd_section_from_phdr): Likewise.
(map_sections_to_segments): Likewise.
(assign_file_positions_for_segments): Likewise.
(get_program_header_size): Likewise.
* elflink.c (bfd_elf_size_dynamic_sections): Set
elf_tdata (output_bfd)->relro from info->relro.
* elf-bfd.h (struct elf_obj_tdata): Add relro field.
include/
* bfdlink.h (struct bfd_link_info): Add relro, relro_start and
relro_end fields.
* elf/common.h (PT_GNU_EH_FRAME, PT_GNU_STACK): Add comments.
(PT_GNU_RELRO): Define.
binutils/
* readelf.c (get_segment_type): Handle PT_GNU_RELRO.
ld/
* genscripts.sh: Generate -z combreloc -z now -z relro scripts
for binaries, -shared and -pie.
* emulparams/elf_i386.sh (SEPARATE_GOTPLT): Set.
* emulparams/elf_x86_64.sh (SEPARATE_GOTPLT): Set.
* emulparams/elf32ppc.sh (OTHER_READWRITE_SECTIONS): Rename to...
(OTHER_RELRO_SECTIONS): ... this.
* ldlex.l (DATA_SEGMENT_RELRO_END): Add.
* emultempl/elf32.em (gld${EMULATION_NAME}_handle_option): Handle
-z relro and -z norelro.
(gld${EMULATION_NAME}_list_options): Add it to usage.
(gld${EMULATION_NAME}_get_script): Return -z combreloc -z now
-z relro scripts when appropriate.
* scripttempl/elf.sc: Unset SEPARATE_GOTPLT if RELRO_NOW is set.
Create separate .got.plt section if SEPARATE_GOTPLT.
Move sections which are only written during relocation handling
to the beginning of RW segment. If NO_SMALL_DATA, move .got
before .data. Add DATA_SEGMENT_RELRO_END directive.
Include OTHER_RELRO_SECTIONS.
* ldgram.y (DATA_SEGMENT_RELRO_END): Add.
* ldexp.c (exp_print_token): Handle DATA_SEGMENT_RELRO_END.
(fold_unary): Likewise.
(fold_binary): Handle -z relro.
* ldexp.h (struct exp_data_seg): Add exp_dataseg_relro_seen and
exp_dataseg_relro_adjust phases. Add relro_end field.
* ldmain.c (main): Initialize link_info.relro to FALSE.
* ldlang.c (lang_size_sections): Handle -z relro.
ld/testsuite/
* ld-i386/tlspic.rd: Adjust for section reordering changes
and removal of unneeded STT_SECTION symbols from .dynsym.
* ld-i386/tlspic.dd: Likewise.
* ld-i386/tlspic.sd: Likewise.
* ld-i386/tlsbin.rd: Likewise.
* ld-i386/tlsbinpic.s: Likewise.
* ld-i386/tlsbin.dd: Likewise.
* ld-i386/tlsbin.sd: Likewise.
* ld-i386/tlsnopic.rd: Likewise.
* ld-i386/tlsnopic1.s: Likewise.
* ld-i386/combreloc.d: Likewise.
* ld-i386/tlsnopic.dd: Likewise.
* ld-i386/tlsnopic.sd: Likewise.
* ld-x86-64/tlspic.rd: Likewise.
* ld-x86-64/tlspic.dd: Likewise.
* ld-x86-64/tlsbin.dd: Likewise.
* ld-x86-64/tlspic.sd: Likewise.
* ld-x86-64/tlsbin.sd: Likewise.
* ld-x86-64/tlspic.td: Likewise.
* ld-x86-64/tlsbin.td: Likewise.
* ld-x86-64/tlsbin.rd: Likewise.
* ld-s390/tlspic1.s: Likewise.
* ld-s390/tlsbinpic.s: Likewise.
* ld-s390/tlspic.rd: Likewise.
* ld-s390/tlsbin.rd: Likewise.
* ld-s390/tlspic.dd: Likewise.
* ld-s390/tlsbin.dd: Likewise.
* ld-s390/tlsbin.sd: Likewise.
* ld-s390/tlsbin.td: Likewise.
* ld-s390/tlspic.sd: Likewise.
* ld-s390/tlspic.td: Likewise.
* ld-s390/tlspic1_64.s: Likewise.
* ld-s390/tlsbinpic_64.s: Likewise.
* ld-s390/tlspic_64.rd: Likewise.
* ld-s390/tlsbin_64.rd: Likewise.
* ld-s390/tlspic_64.dd: Likewise.
* ld-s390/tlsbin_64.dd: Likewise.
* ld-s390/tlspic_64.sd: Likewise.
* ld-s390/tlspic_64.td: Likewise.
* ld-s390/tlsbin_64.td: Likewise.
* ld-s390/tlsbin_64.sd: Likewise.
* ld-powerpc/tlsexe32.r: Likewise.
* ld-powerpc/tlsso32.r: Likewise.
* ld-powerpc/tlsso32.d: Likewise.
* ld-powerpc/tlsso32.g: Likewise.
* ld-powerpc/tlsso32.t: Likewise.
* ld-powerpc/tlsexe.r: Likewise.
* ld-powerpc/tlsso.r: Likewise.
* ld-powerpc/tlsso.g: Likewise.
* ld-powerpc/tlsexetoc.r: Likewise.
* ld-powerpc/tlstocso.r: Likewise.
* ld-powerpc/tlstocso.g: Likewise.
* ld-ia64/tlspic.rd: Likewise.
* ld-ia64/tlspic.dd: Likewise.
* ld-ia64/tlspic.sd: Likewise.
* ld-ia64/tlspic.td: Likewise.
* ld-ia64/tlsbin.rd: Likewise.
* ld-ia64/tlsbin.sd: Likewise.
* ld-ia64/tlsbin.td: Likewise.
* ld-elfvsb/elfvsb.exp: XFAIL non-PIC load offset tests on s390x.
* ld-shared/shared.exp: Likewise.
155 lines
6.4 KiB
R
155 lines
6.4 KiB
R
#source: tls32.s
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#as: -a32
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#ld: -shared -melf32ppc
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#readelf: -WSsrl
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#target: powerpc*-*-*
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There are 20 section headers.*
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Section Headers:
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+\[Nr\] Name +Type +Addr +Off +Size +ES Flg Lk Inf Al
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+\[ 0\] +NULL +0+ 0+ 0+ 0+ +0 +0 +0
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+\[ 1\] \.hash +.*
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+\[ 2\] \.dynsym +.*
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+\[ 3\] \.dynstr +.*
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+\[ 4\] \.rela\.dyn +.*
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+\[ 5\] \.rela\.plt +.*
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+\[ 6\] \.text +PROGBITS +0+498 0+498 0+70 0+ +AX +0 +0 +1
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+\[ 7\] \.tdata +PROGBITS +0+10508 0+508 0+1c 0+ WAT +0 +0 +4
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+\[ 8\] \.tbss +NOBITS +0+10524 0+524 0+1c 0+ WAT +0 +0 +4
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+\[ 9\] \.dynamic +DYNAMIC +0+10524 0+524 0+a0 08 +WA +3 +0 +4
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+\[10\] \.data +PROGBITS +0+105c4 0+5c4 0+ 0+ +WA +0 +0 +1
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+\[11\] \.got +PROGBITS +0+105c4 0+5c4 0+34 04 WAX +0 +0 +4
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+\[12\] \.sdata2 +.*
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+\[13\] \.sdata +.*
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+\[14\] \.sbss +.*
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+\[15\] \.plt +.*
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+\[16\] \.bss +.*
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+\[17\] \.shstrtab +.*
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+\[18\] \.symtab +.*
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+\[19\] \.strtab +.*
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#...
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Elf file type is DYN \(Shared object file\)
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Entry point 0x[0-9a-f]+
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There are 4 program headers.*
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Program Headers:
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+Type +Offset +VirtAddr +PhysAddr +FileSiz MemSiz +Flg Align
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+LOAD +0x0+ 0x0+ 0x0+ 0x0+508 0x0+508 R E 0x10000
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+LOAD +0x0+508 0x0+10508 0x0+10508 0x0+f0 0x0+144 RWE 0x10000
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+DYNAMIC +0x0+524 0x0+10524 0x0+10524 0x0+a0 0x0+a0 RW +0x4
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+TLS +0x0+508 0x0+10508 0x0+10508 0x0+1c 0x0+38 R +0x4
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Section to Segment mapping:
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+Segment Sections\.\.\.
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+0+ +\.hash \.dynsym \.dynstr \.rela\.dyn \.rela\.plt \.text
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+01 +\.tdata \.tbss \.dynamic \.got \.plt
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+02 +\.tbss \.dynamic
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+03 +\.tdata \.tbss
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Relocation section '\.rela\.dyn' at offset 0x[0-9a-f]+ contains 18 entries:
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Offset +Info +Type +Sym\. Value +Symbol's Name \+ Addend
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0+49c +0+c0a R_PPC_REL24 +0+ +__tls_get_addr \+ 0
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0+4a4 +0+c0a R_PPC_REL24 +0+ +__tls_get_addr \+ 0
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0+4dc +0+c0a R_PPC_REL24 +0+ +__tls_get_addr \+ 0
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0+4e4 +0+c0a R_PPC_REL24 +0+ +__tls_get_addr \+ 0
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0+4ce +0+b45 R_PPC_TPREL16 +0+30 +le0 \+ 0
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0+4d2 +0+e48 R_PPC_TPREL16_HA +0+34 +le1 \+ 0
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0+4d6 +0+e46 R_PPC_TPREL16_LO +0+34 +le1 \+ 0
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0+4fe +0+245 R_PPC_TPREL16 +0+10508 +\.tdata \+ 1051c
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0+502 +0+248 R_PPC_TPREL16_HA +0+10508 +\.tdata \+ 10520
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0+506 +0+246 R_PPC_TPREL16_LO +0+10508 +\.tdata \+ 10520
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0+105d4 +0+44 R_PPC_DTPMOD32 +0+
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0+105dc +0+44 R_PPC_DTPMOD32 +0+
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0+105e0 +0+4e R_PPC_DTPREL32 +0+
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0+105e4 +0+a44 R_PPC_DTPMOD32 +0+ +gd \+ 0
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0+105e8 +0+a4e R_PPC_DTPREL32 +0+ +gd \+ 0
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0+105ec +0+1944 R_PPC_DTPMOD32 +0+1c +gd0 \+ 0
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0+105f0 +0+194e R_PPC_DTPREL32 +0+1c +gd0 \+ 0
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0+105f4 +0+1a49 R_PPC_TPREL32 +0+2c +ie0 \+ 0
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Relocation section '\.rela\.plt' at offset 0x[0-9a-f]+ contains 1 entries:
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Offset +Info +Type +Sym\. Value +Symbol's Name \+ Addend
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0+10640 +0+c15 R_PPC_JMP_SLOT +0+ +__tls_get_addr \+ 0
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Symbol table '\.dynsym' contains 28 entries:
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+Num: +Value +Size Type +Bind +Vis +Ndx Name
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+[0-9]+: 0+ +0 NOTYPE +LOCAL +DEFAULT +UND
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+[0-9]+: 0+498 +0 SECTION LOCAL +DEFAULT +6
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+[0-9]+: 0+10508 +0 SECTION LOCAL +DEFAULT +7
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+[0-9]+: 0+10524 +0 SECTION LOCAL +DEFAULT +8
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+[0-9]+: 0+105c4 +0 SECTION LOCAL +DEFAULT +10
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+[0-9]+: 0+105f8 +0 SECTION LOCAL +DEFAULT +12
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+[0-9]+: 0+105f8 +0 SECTION LOCAL +DEFAULT +13
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+[0-9]+: 0+105f8 +0 SECTION LOCAL +DEFAULT +14
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+[0-9]+: 0+1064c +0 SECTION LOCAL +DEFAULT +16
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+[0-9]+: 0+10524 +0 OBJECT +GLOBAL DEFAULT +ABS _DYNAMIC
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+[0-9]+: 0+ +0 NOTYPE +GLOBAL DEFAULT +UND gd
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+[0-9]+: 0+30 +0 TLS +GLOBAL DEFAULT +8 le0
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+[0-9]+: 0+ +0 NOTYPE +GLOBAL DEFAULT +UND __tls_get_addr
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+[0-9]+: 0+20 +0 TLS +GLOBAL DEFAULT +8 ld0
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+[0-9]+: 0+34 +0 TLS +GLOBAL DEFAULT +8 le1
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+[0-9]+: 0+ +0 NOTYPE +GLOBAL DEFAULT +UND ld
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+[0-9]+: [0-9a-f]+ +0 NOTYPE +GLOBAL DEFAULT +6 _start
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+[0-9]+: [0-9a-f]+ +0 NOTYPE +GLOBAL DEFAULT +ABS __end
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+[0-9]+: [0-9a-f]+ +0 OBJECT +GLOBAL DEFAULT +13 _SDA_BASE_
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+[0-9]+: 0+28 +0 TLS +GLOBAL DEFAULT +8 ld2
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+[0-9]+: 0+24 +0 TLS +GLOBAL DEFAULT +8 ld1
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+[0-9]+: [0-9a-f]+ +0 NOTYPE +GLOBAL DEFAULT +ABS __bss_start
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+[0-9]+: [0-9a-f]+ +0 NOTYPE +GLOBAL DEFAULT +ABS _edata
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+[0-9]+: 0+105c8 +0 OBJECT +GLOBAL DEFAULT +ABS _GLOBAL_OFFSET_TABLE_
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+[0-9]+: [0-9a-f]+ +0 NOTYPE +GLOBAL DEFAULT +ABS _end
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+[0-9]+: 0+1c +0 TLS +GLOBAL DEFAULT +8 gd0
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+[0-9]+: 0+2c +0 TLS +GLOBAL DEFAULT +8 ie0
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+[0-9]+: [0-9a-f]+ +0 OBJECT +GLOBAL DEFAULT +12 _SDA2_BASE_
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Symbol table '\.symtab' contains 46 entries:
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+Num: +Value +Size Type +Bind +Vis +Ndx Name
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+[0-9]+: 0+ +0 NOTYPE +LOCAL +DEFAULT +UND
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+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL +DEFAULT +1
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+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL +DEFAULT +2
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+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL +DEFAULT +3
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+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL +DEFAULT +4
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+[0-9]+: [0-9a-f]+ +0 SECTION LOCAL +DEFAULT +5
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+[0-9]+: 0+498 +0 SECTION LOCAL +DEFAULT +6
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+[0-9]+: 0+10508 +0 SECTION LOCAL +DEFAULT +7
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+[0-9]+: 0+8 +0 TLS +LOCAL +DEFAULT +7 ld5
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+[0-9]+: 0+c +0 TLS +LOCAL +DEFAULT +7 ld6
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+[0-9]+: 0+10 +0 TLS +LOCAL +DEFAULT +7 ie4
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+[0-9]+: 0+18 +0 TLS +LOCAL +DEFAULT +7 le5
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+[0-9]+: 0+10524 +0 OBJECT +GLOBAL DEFAULT +ABS _DYNAMIC
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+[0-9]+: 0+ +0 NOTYPE +GLOBAL DEFAULT +UND gd
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+[0-9]+: 0+20 +0 TLS +GLOBAL DEFAULT +8 ld0
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+[0-9]+: 0+34 +0 TLS +GLOBAL DEFAULT +8 le1
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+[0-9]+: 0+ +0 NOTYPE +GLOBAL DEFAULT +UND ld
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+[0-9]+: [0-9a-f]+ +0 NOTYPE +GLOBAL DEFAULT +6 _start
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+[0-9]+: [0-9a-f]+ +0 NOTYPE +GLOBAL DEFAULT +ABS __end
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+[0-9]+: [0-9a-f]+ +0 OBJECT +GLOBAL DEFAULT +13 _SDA_BASE_
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+[0-9]+: 0+28 +0 TLS +GLOBAL DEFAULT +8 ld2
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+[0-9]+: 0+24 +0 TLS +GLOBAL DEFAULT +8 ld1
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+[0-9]+: [0-9a-f]+ +0 NOTYPE +GLOBAL DEFAULT +ABS __bss_start
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+[0-9]+: [0-9a-f]+ +0 NOTYPE +GLOBAL DEFAULT +ABS _edata
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+[0-9]+: 0+105c8 +0 OBJECT +GLOBAL DEFAULT +ABS _GLOBAL_OFFSET_TABLE_
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+[0-9]+: [0-9a-f]+ +0 NOTYPE +GLOBAL DEFAULT +ABS _end
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+[0-9]+: 0+1c +0 TLS +GLOBAL DEFAULT +8 gd0
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+[0-9]+: 0+2c +0 TLS +GLOBAL DEFAULT +8 ie0
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+[0-9]+: [0-9a-f]+ +0 OBJECT +GLOBAL DEFAULT +12 _SDA2_BASE_
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